First try with -whatIf to find what folders will be deleted
dir <path> -recurse | where {$_.PSIsContainer -and $_.Extension -eq ".svn"}
| remove-item -force -whatIf
Then remove -whatIf and run again
Shay
http://scriptolog.blogspot.com
> May I recommend the -whatif the first go 
>
> "RichS" <RichS@discussions.microsoft.com> wrote in message
> news:C976E20F-9066-445F-AECB-2504B414C479@microsoft.com...
>
>> You could try something like this
>>
>> $fso = New-Object -com "Scripting.FileSystemObject" $folder =
>> $fso.GetFolder("C:\Test\")
>>
>> foreach ($subfolder in $folder.SubFolders)
>> {
>> If ($subfolder.Name -like "*.svn")
>> {
>> remove-item $subfolder.Path -Verbose
>>
>> }
>>
>> }
>> --
>> Richard Siddaway
>> Please note that all scripts are supplied "as is" and with no
>> warranty
>> Blog: http://richardsiddaway.spaces.live.com/
>> PowerShell User Group: http://www.get-psuguk.org.uk
>> "S. A. Gnezdov" wrote:
>>
>>> I want to replace VBScript with PowerShell implementation. Here is
>>> VBScript
>>> content:
>>> ' Deletes all .svn folders recursively
>>> '
>>> ' To delete all .svn directories in current directory recursively
>>> execute
>>> command:
>>> ' cscript del-svn-recursively.vbs
>>> Set FSO = CreateObject("Scripting.FileSystemObject") ShowSubfolders
>>> FSO.GetFolder(".")
>>>
>>> Sub ShowSubFolders(Folder)
>>> For Each eachFolder in Folder.SubFolders
>>> ' FSO.DeleteFolder(eachFolder)
>>> if eachFolder.Name = ".svn" then
>>> WScript.Echo eachFolder.Path
>>> FSO.DeleteFolder eachFolder.Path, True
>>> else
>>> ShowSubFolders eachFolder
>>> end if
>>> Next
>>> End Sub